-MTT/TTP most sensitive, but least specific. Can look here first for subtle abnormalities, then see if real on CBV/CBF (CBF most spec). -decreased CBV = correlate of restricted diffusion on MRI -If no abnormal CBV, but decreased CBF then hypoperfused without infarct (e.g. high grade stenosis).
From Radiographics article above.
-MTT/TTP most sensitive, but least specific. Can look here first for subtle abnormalities, then see if real on CBV/CBF (CBF most spec).
-decreased CBV = correlate of restricted diffusion on MRI
-If no abnormal CBV, but decreased CBF then hypoperfused without infarct (e.g. high grade stenosis).